Base unit for a telephone



FIG. 1 is a top orthographic view of a base unit for a telephone showing our new design;

FIG. 2 is a bottom orthographic view thereof;

FIG. 3 is a front orthographic view thereof;

FIG. 4 is a rear orthographic view thereof;

FIG. 5 is a left side orthographic view thereof;

FIG. 6 is a right side orthographic view thereof; and,

FIG. 7 is a right, front, top perspective view thereof.

The broken lines shown in FIGS. 1-7 are included for the purpose of illustrating environmental elements only and form no part of the claimed design. 

The ornamental design for a base unit for a telephone, as shown and described. 